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Posted to commits@tvm.apache.org by "vvchernov (via GitHub)" <gi...@apache.org> on 2023/09/11 14:34:19 UTC

[GitHub] [tvm] vvchernov commented on pull request #15685: [Target][TOPI] Use LLVM for x86 CPU feature lookup

vvchernov commented on PR #15685:
URL: https://github.com/apache/tvm/pull/15685#issuecomment-1714015693

   Hello @cbalint13! Very hard work! One note I should say TVM needs three avx512 intrinsics: vpmaddwd, vpmaddubsw and **vpaddd**. For the latter "+" is used but it is automatically replaced by intrinsics by llvm, and it is in **avx512f** set (I checked it [here](https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#techs=AVX_512&text=vpaddd&ig_expand=113)).


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